noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside, used to detect β-galactosidase. uncountable

Etymology

Shortened from galactose; the X may be from indoxyl.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.